'splain this to me

Started Feb 25, 2013 | Discussions thread
AllOtherNamesTaken Veteran Member • Posts: 3,563
Re: Yes that's how it works

Microshooter wrote:

Running the sensor clean twice in quick succession maps the hot pixels. Same on the D600.

What does this mean?? I never heard this expression before.

I don't know which part you don't understand exactly, but here is how it works.

Sometimes cameras can get "hot" or "stuck" pixels or "dead" pixels, which usually show up as a green, red, or black dot in your photos when viewed at high magnification.  This is normally only happens at higher ISO values as well.  If you run the sensor clean function twice in rapid succession, it will map them out by using the values of the pixels around it.

Not everyone has this "problem" but it is very common with literally every DSLR made today.  Different brands have different methods of dealing with it.

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